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Individual Calculations September 2010 |
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| Anderson, Douglas Total change: -17.25 | |   |
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| 15th Annual Pacific Coast Open | Agoura Hills, California | USA | 2010-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2074 | 1915 | 1.00 | 5 | -0.54 | 25 | -13.50 | |
|  Fuentes, Romulo C | | | 2197 | USA | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Reynolds, Robert I | f | | 2247 | USA | 0.50 | 1 | 0.38 | 25 | 9.50 | |  Stein, Jeremy A | | | 2066 | USA | 0.00 | 1 | -0.30 | 25 | -7.50 | | | Zhang, Eric | | | 1924 | USA | 0.50 | 1 | 0.01 | 25 | 0.25 | | | Liu, Daniel | | | 1935 | USA | 0.00 | 1 | -0.47 | 25 | -11.75 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 111th Annual US Open - Jerry Hanken Memorial | Irvine, California | USA | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2140 | 1915 | 1.00 | 5 | -0.20 | 25 | -5.00 | |
| | Cunningham, Robin | f | | 2304 | USA | 0.00 | 1 | -0.09 | 25 | -2.25 | | | Ruge, Edison | | | 2284 | COL | 0.00 | 1 | -0.10 | 25 | -2.50 | | | Clawitter, Craig | | | 2109 | USA | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Hua, Margaret M | | | 1972 | USA | 1.00 | 1 | 0.58 | 25 | 14.50 | | | Brown, Michael W | | | 2029 | USA | 0.00 | 1 | -0.34 | 25 | -8.50 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2nd Annual Central California Open | Fresno, California | USA | 2010-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 1915 | 0.50 | 2 | 0.05 | 25 | 1.25 | |
| | Perepelitsky, Edward | | | 2152 | USA | 0.50 | 1 | 0.30 | 25 | 7.50 | | | Manvelyan, Hayk | | | 2111 | USA | 0.00 | 1 | -0.25 | 25 | -6.25 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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